Example usage for android.graphics Bitmap createBitmap

Introduction

In this page you can find the example usage for android.graphics Bitmap createBitmap.

Prototype

public static Bitmap createBitmap(int width, int height, @NonNull Config config)

Source Link

Document

Returns a mutable bitmap with the specified width and height.

Usage

From source file:Main.java

public static Bitmap handleImagePixelsRelief(Bitmap bm) {
    Bitmap bmp = Bitmap.createBitmap(bm.getWidth(), bm.getHeight(), Bitmap.Config.ARGB_8888);
    int width = bm.getWidth();
    int height = bm.getHeight();
    int color = 0, colorBefore = 0;
    int a, r, g, b;
    int r1, g1, b1;

    int[] oldPx = new int[width * height];
    int[] newPx = new int[width * height];

    bm.getPixels(oldPx, 0, bm.getWidth(), 0, 0, width, height);
    for (int i = 1; i < width * height; i++) {
        colorBefore = oldPx[i - 1];//w  w  w  .  j  a v a2 s  . c om
        a = Color.alpha(colorBefore);
        r = Color.red(colorBefore);
        g = Color.green(colorBefore);
        b = Color.blue(colorBefore);

        color = oldPx[i];
        r1 = Color.red(color);
        g1 = Color.green(color);
        b1 = Color.blue(color);

        r = (r - r1 + 127);
        g = (g - g1 + 127);
        b = (b - b1 + 127);
        if (r > 255) {
            r = 255;
        }
        if (g > 255) {
            g = 255;
        }
        if (b > 255) {
            b = 255;
        }
        newPx[i] = Color.argb(a, r, g, b);
    }
    bmp.setPixels(newPx, 0, width, 0, 0, width, height);
    return bmp;
}

From source file:Main.java

public static Bitmap getRoundedCircleBitmap(Bitmap scaleBitmapImage) {
    int targetWidth = 150;
    int targetHeight = 150;
    Bitmap targetBitmap = Bitmap.createBitmap(targetWidth, targetHeight, Bitmap.Config.ARGB_8888);

    Canvas canvas = new Canvas(targetBitmap);
    Path path = new Path();
    path.addCircle(((float) targetWidth - 1) / 2, ((float) targetHeight - 1) / 2,
            (Math.min(((float) targetWidth), ((float) targetHeight)) / 2), Path.Direction.CCW);

    canvas.clipPath(path);//w w  w .java  2s  .co  m
    Bitmap sourceBitmap = scaleBitmapImage;
    canvas.drawBitmap(sourceBitmap, new Rect(0, 0, sourceBitmap.getWidth(), sourceBitmap.getHeight()),
            new Rect(0, 0, targetWidth, targetHeight), null);
    return targetBitmap;
}

From source file:Main.java

public static Bitmap convertBitmap(Drawable drawable, int width, int height) {
    Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(bitmap);
    drawable.setBounds(0, 0, width, height);
    drawable.draw(canvas);//  w w  w  .jav  a  2  s  .co m
    return bitmap;
}

From source file:Main.java

public static Bitmap combineTwoBitmaps(Bitmap background, Bitmap foreground) {
    Bitmap combinedBitmap = Bitmap.createBitmap(background.getWidth(), background.getHeight(),
            background.getConfig());/* w w  w .  j  a  v  a 2  s  .c om*/
    Canvas canvas = new Canvas(combinedBitmap);
    Paint paint = new Paint(Paint.FILTER_BITMAP_FLAG);
    canvas.drawBitmap(background, 0, 0, paint);
    canvas.drawBitmap(foreground, 0, 0, paint);
    return combinedBitmap;
}

From source file:Main.java

public static Bitmap createBitmap(View target) {
    Bitmap b = Bitmap.createBitmap(target.getWidth(), target.getHeight(), Bitmap.Config.ARGB_8888);
    Canvas c = new Canvas(b);
    target.draw(c);/*  w  ww . j  av  a 2 s . c o  m*/

    /* enable this to invert the image: */
    //invertImage(b);

    return b;
}

From source file:Main.java

public static Bitmap convertViewToBitmapWithCanvas(View view, int bitmapWidth, int bitmapHeight) {
    Bitmap bitmap = Bitmap.createBitmap(bitmapWidth, bitmapHeight, Bitmap.Config.ARGB_8888);
    view.draw(new Canvas(bitmap));
    return bitmap;
}

From source file:Main.java

public static Bitmap convertToAlphaMask(Bitmap b) {
    Bitmap a = Bitmap.createBitmap(b.getWidth(), b.getHeight(), Bitmap.Config.ALPHA_8);
    Canvas c = new Canvas(a);
    c.drawBitmap(b, 0.0f, 0.0f, null);//from  w  w w.  j a va 2  s .c  o  m

    return a;
}

From source file:Main.java

public static Bitmap toRoundCorner(Bitmap bitmap, int pixels) {
    Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Config.ARGB_8888);
    Canvas canvas = new Canvas(output);

    final int color = 0xff424242;
    final Paint paint = new Paint();
    final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
    final RectF rectF = new RectF(rect);
    final float roundPx = pixels;

    paint.setAntiAlias(true);/*from   ww  w.  j  av  a2 s .  co  m*/
    canvas.drawARGB(0, 0, 0, 0);
    paint.setColor(color);
    canvas.drawRoundRect(rectF, roundPx, roundPx, paint);

    paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
    canvas.drawBitmap(bitmap, rect, rect, paint);

    return output;
}

From source file:Main.java

public static Bitmap byteArrayToBitmap(int width, int height, byte[] byteArray) {
    // use Bitmap.Config.ARGB_8888 instead of type is OK
    Bitmap stitchBmp = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
    stitchBmp.copyPixelsFromBuffer(ByteBuffer.wrap(byteArray));
    return stitchBmp;
}

From source file:Main.java

public static Bitmap convertToBitmap(Drawable drawable, int width, int height) {
    Bitmap outputBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(outputBitmap);

    drawable.setBounds(0, 0, width, height);
    drawable.draw(canvas);//from  w  ww .  j  a  v a  2s.  co m

    return outputBitmap;
}